ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C54H54O29/c55-25-7-1-22(2-8-25)5-11-38(61)74-19-34-42(65)45(68)48(71)52(81-34)78-31-13-24(14-32(41(31)64)79-53-49(72)46(69)43(66)35(82-53)20-75-39(62)12-6-23-3-9-26(56)10-4-23)51-33(17-28-29(58)15-27(57)16-30(28)77-51)80-54-50(73)47(70)44(67)36(83-54)21-76-40(63)18-37(59)60/h1-17,34-36,42-50,52-54,65-73H,18-21H2,(H5-,55,56,57,58,59,60,61,62,64)/p+1/file?format=sdf&get3d=True  -- InChI=1S/C54H54O29/c55-25-7-1-22(2-8-25)5-11-38(61)74-19-34-42(65)45(68)48(71)52(81-34)78-31-13-24(14-32(41(31)64)79-53-49(72)46(69)43(66)35(82-53)20-75-39(62)12-6-23-3-9-26(56)10-4-23)51-33(17-28-29(58)15-27(57)16-30(28)77-51)80-54-50(73)47(70)44(67)36(83-54)21-76-40(63)18-37(59)60/h1-17,34-36,42-50,52-54,65-73H,18-21H2,(H5-,55,56,57,58,59,60,61,62,64)/p+1 could not be loaded.